i. The problem of food is intimately connected with population
ii. wages will seldom rise in proportion to the rising prices
iii. the market is governed by demand and supply
iv. without enough food such people lack health, strength of efficiency
v. if too many people demand goods to go round, prices will rise and poor classes will starve
vi. They fall an easy prey to all sorts of diseases.

A

iii, v, ii, iv

B

ii, iii, iv, v

C

iv, ii, v, iii

D

v, iii, iv, ii.